<!DOCTYPE html>
<html lang="zh-CN">

<head>
  <meta charset="UTF-8">
  <title>04 练习</title>
  <style>
    #boss {
      color: red;

    }

    .female {
      color: green;

    }

    span {
      color: blue;
    }
  </style>
</head>

<body>
  <!-- 根据上面的样式控制，请问各人名是什么颜色 -->
  <span class="female">古力娜扎</span>
  <span class="female">迪丽热巴</span>
  <span class="female hero">黑寡妇</span>
  <span class="male hero">钢铁侠</span>
  <span class="male hero">超人</span>
  <span id="boss" class="female">灭霸</span>

</body>

</html>